Visit San jose
 

Welcome to our San Jose Archive. Have fun browsing!

 

Article #245: CARB Planning to Reduce NOx Emissions from Diesel Trucks

(Browse for more articles)

 
A recent editorial in the San Jose 1,000 horsepower) would also be required
Mercury News focused on the pollution to meet fleet average emission rate
from diesel engines and the effect this targets for oxides of nitrogen (NOx).
is having on California's air quality. Both targets decline over time, requiring
"When it comes to air pollution from fleets to reduce their emissions even
vehicles, it doesn't get more noxious further. According to these proposed
than the soot from diesel engines. The regulations a fleet that is unable to
black particles accumulate in people's meet the NOx target, would have to turn
lungs, contributing to asthma, heart over more than 10 percent of its fleet
problems and thousands of deaths in per year. Turn over, as defined by CARB,
California every year. After more than a means to re-power with a cleaner engine,
year and a half of crafting the language replace a vehicle with a new or used
that will constitute the new off-road vehicle, designate as low-use or decrease
diesel equipment regulations, the fleet size. "With the current state of
California Air Resources Board (CARB) air quality in California, these proposed
will meet in Del Mar on May 25 to decide regulations are a move in the right
whether to adopt this language which direction," said Bob Carroll, CEO of the
targets what the Mercury calls Biofriendly Corporation. "NOx emissions
'smoke-belching construction equipment - are a threat to the health of
bulldozers, graders and the like - along Californians and cost effective methods
with other "off-road" vehicles used at of reducing these emissions need to be
airports, ski resorts and warehouses.' found and implemented." Green PlusÂ(R),
Regulators would have to work with the liquid fuel catalyst produced by
affected industries to find ways to ease Biofriendly is currently in use in Mexico
the expense of retrofitting or replacing and other countries that aim to reduce
nearly 180,000 vehicles by 2025. Cost NOx emissions. Working at the molecular
estimates run from $3 billion to $13 level to slightly "unbundle" complex
billion - a sum that could make this the hydrocarbon molecule clusters, it enables
most expensive air regulation in existing oxygen to reach the fuel and
California history, says the Mercury react with the fuel more easily.
editorial. The proposed CARB regulations, Improving combustion processes results in
which have been revised multiple times, a "positive domino effect" - that is, a
require a contractor's diesel engine more complete burn, a more linear burn
fleet to meet fleet average emission rate and a cooler burn. This in turn delivers
targets for particulate matter (PM). more power, more torque, better fuel
Large and medium fleets (greater than economy and fewer harmful emissions.






1- A- B- 2- 3- 4- 5- 6- 7- 8- 9- 10- 11- 12- 13- 14- 15- 16- 17- 18- 19- 20- 21- 22- 23- 24- 25- 26- 27- 28- 29- 30- 31- 32- 33- 34- 35- 36- 37- 38- 39- 40- 41- 42- 43- 44- 45- 46- 47- 48- 49- 50- 51- 52- 53- 54- 55-